This presentation is the property of its rightful owner.
Sponsored Links
1 / 23

金属材料与热处理 模块四 铸 铁 PowerPoint PPT Presentation


  • 149 Views
  • Uploaded on
  • Presentation posted in: General

金属材料与热处理 模块四 铸 铁. 主讲:赵广引. [ 复习 ] 上次课的重点 [ 讲授新课 ] 课题 : 铸铁 教学目的与要求 : 1 、掌握影响石墨化的因素即 “ 三高一低 ” 的含义。 2 、掌握常用普通铸铁(灰口铸铁、可锻铸铁、球墨铸铁)的牌号、组织、性能特点。 3 、掌握各种铸铁的热处理工艺。 教学重点与难点 : 1 、铸铁与钢热处理的不同之处,合理地选用铸铁材料及相应的热处理方法是教学难点。 2 、掌握常用普通铸铁(灰口铸铁、可锻铸铁、球墨铸铁)的牌号是教学重点。 教学过程 :. 一、引言. 有独特的性能. 有独特的组织. 成分不同于钢.

Download Presentation

金属材料与热处理 模块四 铸 铁

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


5755201


5755201

  • []

  • []

  • 1

  • 2

  • 3

  • 1

  • 2


5755201

Graphite

80%

Wc>2.11%

Wc>2.5%4.0%


5755201

Fe3C

(G)

C


5755201


5755201

1

1154

Lc 1154 A +G

1154~738

ES

738

F+G

1.


5755201

  • 3.

F+G

F+P+G

P+G

2.


5755201

1

CSiG;

MnG;SG

2

G

4.


5755201

2

G

G

G

G


5755201

1

Wc=2.5%~4.0%WSi=1.0%~2.5%WMn=0.5%~1.4%

Wp0.3%Ws0.15%

2

+G

G

1.


5755201

4

G

G

5

G

3

HT200200MPa


5755201

500600150200


5755201

2.

1

Wc=3.6%~4.0%WSi=2.0%~2.8%WMn=0.6%~0.8%Ws0.07%Wp0.1%WRe=0.02%~0.04%WMg=0.03%~0.05%

2


5755201

4

1

700~7602h~8h

600

900~9502h~5h

600

2

3

4

3

QT400-18400MPa

18%


5755201

3.


5755201

1

Wc=2.3%~2.8%

WSi=1.0%~1.6%WMn=0.3.%~0.8%

Ws0.2%Wp0.1%

2


5755201

4

KTH350-10350MPa

10%

3


5755201

5


5755201

1

Wc=3.5%~3.9%

WSi=2.2%~2.8%WMn=0.4%~0.8%

Wp0.1%Ws0.1%

2

4.


5755201

RuT260260MPa

4

3


5755201

SiAlCr MoCuNi

PCrWMoCu

SiAlCr

5.


5755201

2.

3.

4.

5.

1.


  • Login